Broadcast Tools Silence Sentinel RJ – Analog Silence Detector Online
Description
Silence Sentinel RJ – Analog Silence Detector
The Silence Sentinel® RJ is designed to monitor any two stereo analog audio sources for silence or an out of phase condition (polarity), generate alarms, and transparently switch to a back-up source using mechanically latching relays.
Additional features include: front panel controls, remote control inputs and status relay outputs, RJ45 audio connectors, plug-in euro-block screw terminals for remote control, dip switch configuration of silence detection from -20, -25, -30 and -35db below zero reference, precise alarm timing delay from off to 85 minutes, precise restore timing delay from off to 21 minutes. The Silence Sentinel® RJ may be set on a desktop, mounted on a wall or optional RA-1 rack shelf for mounting up to two units in 1-RU.
Features Benefits:
- • Transparent stereo program switcher with front panel input selection switches and indicator LEDs.
- • Front panel “Manual Automatic” switch with front panel LED, remote input, relay output.
- • “External Ext” alarm trigger input with front panel LED indicator.
- • Front Panel Power Heartbeat LED.
- • Dip-switch selection of silence detection of -20, -25, -30 and -35dB below zero reference.
- • Dip-switch selection of reverse polarity (out of phase) stereo detection.
- • Dip-switch selection of alarm time delay from OFF to 8 minutes, 30 seconds in 2 second increments or 85 minutes in 20 second increments.
- • Dip-switch selection of restore timing delay from OFF to 21 minutes in 20 second increments.
- • Audio switching via mechanical latching sealed relays utilizing 2-form-C bifurcated – crossbar silver alloy with gold overlay contacts.
- • Two SPDT tally relays, four SPST status alarm relays.
- • Logic functions via microprocessor and non-volatile memory.
- • RJ45 connectors for audio and plug-in euro-block screw terminals for remote control, mating plugs supplied.
- • Fully RFI proofed.
- • Surge protected internal power supply, 9 VDC universal switching power supply with domestic connectors supplied. International AC connectors optional.
- • Each unit may be set on a desktop, mounted on a wall or rack-mounted with the optional RA-1 rack shelf for mounting up to two units in 1-RU using four supplied Velcro feet.
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